{"product_id":"gps-generator-parts-specialist-tune-up-kit-for-cummins-onan-qg4000","title":"GPS GENERATOR PARTS SPECIALIST Tune Up Kit for Cummins Onan QG4000","description":"\u003cp\u003eIn this review of the GPS GENERATOR PARTS SPECIALIST Tune Up Kit for the Cummins Onan QG4000 (4KY), the bottom line is simple: this kit is designed for RV owners and technicians who prefer an OEM-based, all-in-one maintenance package. The reviewer found the kit valuable because it includes the specific Onan hard parts required for routine service plus oil matched to Spec P through R, saving time hunting for compatible items. For anyone maintaining a QG4000, the kit removes ambiguity about parts and oil selection.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete OEM parts:\u003c\/strong\u003e The kit includes Onan spark plug, air filter and fuel filter so users replace the factory-specified hard parts during routine maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eONAMAX oil included:\u003c\/strong\u003e Two bottles of Onan ONAMAX 10W30 are provided to meet the oil spec requirements for Spec P through R engines so oil selection is correct for the generator.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpark plug gap tool and guidance:\u003c\/strong\u003e A dedicated spark plug gap tool and documentation are included to ensure the spark plug is set to the proper gap for reliable ignition.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaged for the QG4000:\u003c\/strong\u003e Components are assembled specifically for the Cummins Onan QG4000 model 4KY, reducing the chance of buying incompatible items.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM part numbers listed:\u003c\/strong\u003e The kit lists Onan part numbers for the spark plug, filters and oil which helps confirm authenticity when ordering replacement parts later.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis kit is best for RV owners, fleet managers or independent technicians who perform routine maintenance on the Cummins Onan QG4000 (4KY) generator and want to use genuine Onan parts and oil. It suits users who prefer having all required service parts and the correct oil grade in one shipment to avoid downtime on trips.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere are owners of different Onan models or generators that require a different oil spec; this kit is tailored to the 4KY QG4000 and the included ONAMAX oil labeled for Spec P through R. Also, buyers who prefer aftermarket parts rather than OEM should compare options outside this package.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIncludes genuine Onan hard parts which match factory service requirements for consistent fit and function.\u003c\/li\u003e\n\u003cli\u003eSupplies ONAMAX 10W30 oil in the quantity needed, eliminating guesswork about correct lubricant for Spec P-R engines.\u003c\/li\u003e\n\u003cli\u003eProvides a spark plug gap tool and documentation to help ensure proper setup and longer service life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome customers reported mixed experiences with smaller items like the oil filter or gap tool which suggests occasional missing or variable feedback on these components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eKit for model\u003c\/td\u003e\n\u003ctd\u003eCummins Onan QG4000 (4KY)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOil included\u003c\/td\u003e\n\u003ctd\u003eONAMAX 10W30 (QTY 2) PN A063E183\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpark plug\u003c\/td\u003e\n\u003ctd\u003eOnan PN 167-0275\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir filter\u003c\/td\u003e\n\u003ctd\u003eOnan PN 140-3280\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel filter\u003c\/td\u003e\n\u003ctd\u003eOnan PN 149-2457\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpark plug gap tool\u003c\/td\u003e\n\u003ctd\u003eGPS PN 627-0560\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe GPS tune up kit is a practical, value-oriented choice for anyone servicing a Cummins Onan QG4000 who wants OEM parts and the correct ONAMAX oil without sourcing items individually. It removes uncertainty about compatible components and includes useful setup guidance, making it a time-saving option and good maintenance value for owners committed to factory-spec service.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this kit include the correct oil for my QG4000?\u003c\/strong\u003e\u003cbr\u003eYes, the kit includes two bottles of Onan ONAMAX 10W30 labeled for use with Spec P through R, which matches the kit description.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre all parts genuine Onan components?\u003c\/strong\u003e\u003cbr\u003eYes, the hard parts listed in the kit are OEM Onan parts with the part numbers provided for confirmation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this kit work for other Onan generator models?\u003c\/strong\u003e\u003cbr\u003eThis kit is assembled specifically for the Cummins Onan QG4000 (4KY); owners of other models should verify compatibility before purchase.\u003c\/p\u003e","brand":"GPS","offers":[{"title":"Default Title","offer_id":48628016578779,"sku":"B096HYZ7DQ","price":109.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71DAkQobV9L._AC_SL1500.jpg?v=1778495984","url":"https:\/\/gearmusthave.com\/products\/gps-generator-parts-specialist-tune-up-kit-for-cummins-onan-qg4000","provider":"GearMustHave","version":"1.0","type":"link"}